CN221183326U - Tree antifreezing whitewashing device - Google Patents

Abstract

The utility model relates to the technical field of tree protection, in particular to a tree antifreezing whitewashing device which comprises a base, wherein four braked universal wheels are arranged at the bottom of the base, a push rod is arranged on the left side of the top of the base, a whitewashing liquid storage tank and a pump body are arranged at the top of the base, the input end of the pump body is communicated with the whitewashing liquid storage tank through a liquid suction pipe, the output end of the pump body is connected with a liquid feeding hose, and one end of the liquid feeding hose, far away from the pump body, is connected with a whitewashing component. This white device is scribbled in tree freeze-proof, the position of two semicircular spray pipes can be adjusted to the two electric telescopic links in the whitewashing subassembly to make two semicircular spray pipes can overlap in the outside of tree, carry the whitewashing liquid in the whitewashing liquid storage tank to the whitewashing subassembly through the pump body, and spout from a plurality of shower nozzles, a plurality of shower nozzles on two semicircular spray pipes are annular array and arrange, can spray the outside of trees completely, thereby the staff of being convenient for operates whitewashing subassembly and scribbles white processing to trees.

Description

Tree antifreezing whitewashing device

Technical Field

The utility model relates to the technical field of tree protection, in particular to a tree antifreezing whitewashing device.

Background

The tree is an important component of landscaping, and has important functions in beautifying the environment, purifying air, preventing water and soil loss and the like. However, the tree is also affected by natural environment, especially in winter, the low temperature and strong light can cause serious damage to the tree, which causes phenomena of frost cracking, falling off, color change and the like of the branches, barks and leaves of the tree, and affects the growth and the appearance of the tree.

In order to protect the tree from the damage of low temperature and strong light in winter, a common method is to whiten the tree, namely, smear a layer of white substance on the branch of the tree to increase the reflectivity of the tree, reduce the heat absorption capacity of the tree and the temperature difference of the tree, thereby improving the cold resistance and the growth vigor of the tree.

The utility model discloses a white device is scribbled in trees spraying of publication number CN214320652U relates to plant protection technical field, comprising a base plate, the top fixed mounting of bottom plate has the connecting plate, one side fixedly connected with backup pad of connecting plate, the top fixed mounting of backup pad has elevator motor, elevator motor's output shaft fixed mounting has the lead screw, the surface of lead screw has cup jointed first slider, one side fixed mounting of slider has the mounting panel, one side fixed mounting of mounting panel has the curb plate, one side rotation of curb plate is connected with the support frame, one side fixedly connected with electric putter of mounting panel. This trees spray white whitewashing device sets up through elevator motor, lead screw, first slider, second slider and reversing switch's cooperation, can drive the shower nozzle through elevator motor in the use and reciprocate, reduces the use of manpower to play the effect of spraying trees from top to bottom automatically, reached the purpose of using manpower sparingly.

The above-mentioned prior art can realize automatic whitewashing to trees, but this whitewashing device exists great use restriction when using, needs to wait to whitewash the ground that trees are located and level, otherwise two support frames on this whitewashing device can't reciprocate in the outside of trees, in case there is the contained angle support frame and trees, the support frame is very likely to offset with trees in the upward movement process to lead to the support frame to break, cause this whitewashing device to damage, in view of this, we propose a tree anti-freezing whitewashing device.

Disclosure of utility model

The utility model aims to provide a tree antifreezing whitewashing device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a tree anti-freezing whitewashing device, includes the base, the bottom of base and be close to four corners the position all be equipped with but the braking universal wheel, the left side at base top is equipped with the push rod, but four braking universal wheels of push rod cooperation can be convenient for the staff promote this whitewashing device and remove, the top of base and be close to left side the position be equipped with whitewashing liquid storage tank for storing the whitewashing liquid of trees protection, the top of base and be close to the position on whitewashing liquid storage tank right side be equipped with the pump body, the input of pump body is through drawing liquid pipe and whitewashing liquid storage tank intercommunication, the output of pump body is connected with the liquid hose, the one end that the liquid hose kept away from the pump body is connected with whitewashing subassembly, and the pump body is used for carrying whitewashing liquid in the whitewashing liquid storage tank to whitewashing subassembly;

The whitewashing component comprises a liquid guide hard pipe communicated with a liquid feeding hose, a handle is arranged on the outer wall of the liquid guide hard pipe and close to the left end, a control panel is arranged on the handle, a switch key of a pump body and a control key of a bidirectional electric telescopic rod are arranged on the control panel, a worker can conveniently adjust the distance between two semicircular liquid spraying pipes, the two semicircular liquid spraying pipes can be opened, the worker can conveniently move the two semicircular liquid spraying pipes to the outer side of a tree, the two semicircular liquid spraying pipes move relatively after moving to the outer side of the tree until the two semicircular liquid spraying pipes are combined, then the pump body works, the whitewashing component sprays whitewashing liquid, and whitewashing operation is performed on the tree, and the worker can perform whitewashing operation on a plurality of trees in a certain range due to the fact that the liquid feeding hose has a certain length;

The right end of the liquid guide hard pipe is provided with a rectangular mounting plate, the left side of the rectangular mounting plate is provided with a bidirectional electric telescopic rod, the ends of two movable rods of the bidirectional electric telescopic rod are respectively provided with an L-shaped connecting plate, the bottoms of the two L-shaped connecting plates are respectively provided with a movable block, the right sides of the two movable blocks are respectively provided with a rectangular connecting block, the left side of the rectangular mounting plate and the position close to the bottom are provided with strip-shaped holes for the rectangular connecting blocks to pass through, the right ends of the two rectangular connecting blocks are respectively provided with a semicircular spray pipe, a plurality of spray heads which are distributed at equal intervals are arranged on the semicircular spray pipes, the two L-shaped connecting plates are driven to synchronously move by the bidirectional electric telescopic rod, the two L-shaped connecting plates are respectively driven to move by the two movable blocks, and the two rectangular connecting blocks are respectively driven to move by the two semicircular spray pipes, so that the two semicircular spray pipes can be sleeved on the outer sides of trees, and the distance between the two semicircular spray pipes is convenient for workers to adjust, and the whitewashing assembly is convenient for workers to operate;

The top of the outer wall of the liquid guide hard pipe and the position close to the right end are provided with liquid outlet pipes, the top of the liquid outlet pipe is connected with two liquid guide hoses through a three-way pipe, the top of the outer wall of the two semicircular liquid spray pipes and the position close to the left end are provided with liquid inlet pipes, the output ends of the two liquid guide hoses are respectively communicated with the two liquid inlet pipes, the whitewashing liquid in the liquid guide hard tube is output to the two liquid guide hoses from the liquid outlet tube, and is respectively conveyed into the two semicircular spray tubes through the two liquid guide hoses, and finally is sprayed out from the plurality of spray heads, and the plurality of spray heads on the two semicircular spray tubes are distributed in an annular array, so that the outer sides of trees can be completely sprayed.

Preferably, the top of whitewashing liquid storage tank just is close to the position of front side and is equipped with the notes liquid pipe for add whitewashing liquid to whitewashing liquid storage tank in, the top threaded connection of notes liquid pipe has sealed lid, and the sealing of the notes liquid pipe of being convenient for avoids impurity to drop to whitewashing liquid storage tank from notes liquid pipe, the bottom of whitewashing liquid storage tank front side is equipped with the fluid-discharge tube of taking the valve, after not using this whitewashing device, the staff can be through the fluid-discharge tube with the whitewashing liquid discharge that does not use in the whitewashing liquid storage tank.

Preferably, the middle part at the top of the whitewashing liquid storage tank is provided with a motor, the end part of an output shaft of the motor penetrates through the top of the whitewashing liquid storage tank and is coaxially connected with a rotating shaft, a plurality of stirring blades which are arranged at equal intervals up and down are arranged on the outer wall of the rotating shaft, the rotating shaft is driven by the motor to rotate, so that the rotating shaft drives the stirring blades to rotate, whitewashing liquid in the whitewashing liquid storage tank is stirred, the whitewashing liquid is in a flowing state, precipitation is avoided, and smooth output of the whitewashing liquid by a pump body is facilitated.

Preferably, the top of base and the position that is close to the rear side right-hand member are equipped with the power supply box, be equipped with group battery and charge-discharge module in the power supply box, still be equipped with the charge port of being connected with charge-discharge module on the power supply box, the right side of power supply box is equipped with total controller for control motor work, and control circuit's total switch.

Preferably, the top of base and the position that is close to right side limit middle part are equipped with fixed pole setting, the top of fixed pole setting is equipped with the semicircular bracket that is used for placing the whitewashing subassembly, and semicircular bracket is the slope setting, when the staff promotes this whitewashing device and removes, can place the whitewashing subassembly on semicircular bracket, makes the left end of whitewashing subassembly be inclination and place up towards right-hand member, semicircular bracket's bottom is equipped with the collet board, plays the supporting role to the left end of whitewashing subassembly, the groove is dodged to the U-shaped has been seted up at the top of collet board for dodge the liquid hose.

Compared with the prior art, the utility model has the beneficial effects that:

1. This white device is scribbled in tree freeze-proof, the bidirectional electric telescopic handle in the whitewashing subassembly can drive two L shape connecting plates synchronous motion, two L shape connecting plates drive two movable blocks respectively and remove, two movable blocks drive two rectangle connecting blocks respectively and remove, two rectangle connecting blocks drive two semicircular spray pipes respectively, thereby make two semicircular spray pipes can overlap in the outside of trees, carry the whitewashing liquid that scribbles in the white liquid storage tank to the whitewashing subassembly through the pump body, and spout from a plurality of shower nozzles, a plurality of shower nozzles on two semicircular spray pipes are annular array and arrange, can spray the outside of trees completely, thereby the staff of being convenient for operates the whitewashing subassembly and scribbles white processing to trees, because the liquid hose has certain length, make the staff can scribble white operation to a plurality of trees in certain scope.

2. This white device is scribbled in trees prevents frostbite through motor drive axis of rotation to make the axis of rotation drive a plurality of stirring leaves and rotate, stir the whitewash in the whitewash storage tank, make whitewash be in flowing state, avoid producing the sediment, be favorable to the pump body to export whitewash smoothly.

3. This white device is scribbled in trees prevents frostbite when the staff promotes this whitewashing device and removes, can place whitewashing subassembly on semi-circular bracket, and the staff of being convenient for accomodates whitewashing subassembly, avoids influencing this whitewashing device's removal.

Drawings

FIG. 1 is a schematic view of a first view angle structure of the present utility model;

FIG. 2 is a schematic diagram of an overall second view structure according to the present utility model;

FIG. 3 is a schematic view of the internal assembly structure of the whitewash tank of the present utility model;

FIG. 4 is a schematic illustration of the structure of the whitewashing assembly of the present utility model;

FIG. 5 is a schematic illustration of a portion of the structure of the whitewashing assembly of the present utility model;

FIG. 6 is a second schematic view of a portion of a whitewashing assembly according to the present utility model;

fig. 7 is a schematic view showing an assembly structure of the fixed upright and the semicircular bracket in the present utility model.

In the figure: 1. a base; 2. a whitewash storage tank; 20. a liquid injection pipe; 21. a liquid discharge pipe; 3. a motor; 4. a rotating shaft; 5. stirring the leaves; 6. a pump body; 60. a liquid suction pipe; 61. a liquid feeding hose; 7. a whitewashing component; 70. a liquid-conducting hard pipe; 700. a liquid outlet pipe; 71. a handle; 72. a control panel; 73. a rectangular mounting plate; 730. a bar-shaped hole; 74. a bi-directional electric telescopic rod; 75. an L-shaped connecting plate; 76. a moving block; 77. a rectangular connecting block; 78. a semicircular spray pipe; 780. a spray head; 781. a liquid inlet pipe; 79. a liquid guiding hose; 8. fixing the vertical rod; 9. a semicircular bracket; 90. a bottom support plate; 900. a U-shaped avoidance groove; 10. a power box; 11. a master controller; 12. a braked universal wheel; 13. a push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 7, the present utility model provides a technical solution:

The utility model provides a tree anti-freezing whitewashing device, including base 1, the bottom of base 1 and be close to four corners the position all be equipped with but the braking universal wheel 12, the left side at base 1 top is equipped with push rod 13, push rod 13 cooperates four but the braking universal wheel 12 can be convenient for the staff promote this whitewashing device and remove, the top of base 1 and be close to left side the position is equipped with whitewashing liquid storage tank 2, be used for storing the whitewashing liquid that trees protected, the top of base 1 and be close to the position on whitewashing liquid storage tank 2 right side be equipped with pump body 6, the input of pump body 6 communicates with whitewashing liquid storage tank 2 through drawing liquid pipe 60, the output of pump body 6 is connected with liquid feed hose 61, the one end that liquid feed hose 61 kept away from pump body 6 is connected with whitewashing subassembly 7, pump body 6 is used for carrying whitewashing liquid in the whitewashing liquid storage tank 2 to whitewashing subassembly 7;

The whitewashing component 7 comprises a liquid guide hard pipe 70 communicated with a liquid feeding hose 61, a handle 71 is arranged on the outer wall of the liquid guide hard pipe 70 and close to the left end, a control panel 72 is arranged on the handle 71, a switch key of a pump body 6 and a control key of a bidirectional electric telescopic rod 74 are arranged on the control panel 72, a worker can conveniently adjust the distance between two semicircular liquid spraying pipes 78, the two semicircular liquid spraying pipes 78 can be opened, the worker can conveniently move the two semicircular liquid spraying pipes 78 to the outer sides of trees, when the two semicircular liquid spraying pipes 78 move to the outer sides of the trees, the two semicircular liquid spraying pipes 78 move relatively again until the two semicircular liquid spraying pipes 78 are combined, then the pump body 6 works, the whitewashing component 7 sprays whitewashing liquid, and whitewashing operation is carried out on the trees, and the worker can carry out whitewashing operation on a plurality of trees in a certain range due to the fact that the liquid feeding hose 61 has a certain length;

The right end of the liquid guide hard pipe 70 is provided with a rectangular mounting plate 73, the left side of the rectangular mounting plate 73 is provided with a bidirectional electric telescopic rod 74, the ends of two movable rods of the bidirectional electric telescopic rod 74 are respectively provided with an L-shaped connecting plate 75, the bottoms of the two L-shaped connecting plates 75 are respectively provided with a movable block 76, the right sides of the two movable blocks 76 are respectively provided with a rectangular connecting block 77, the left side of the rectangular mounting plate 73 and the position close to the bottom are provided with a strip-shaped hole 730 for the rectangular connecting block 77 to pass through, the right ends of the two rectangular connecting blocks 77 are respectively provided with a semicircular spray pipe 78, the semicircular spray pipes 78 are provided with a plurality of spray heads 780 which are distributed at equal intervals, the two L-shaped connecting plates 75 are driven to synchronously move by the bidirectional electric telescopic rod 74, the two L-shaped connecting plates 75 respectively drive the two movable blocks 76 to respectively drive the two rectangular connecting blocks 77 to move, the two semicircular spray pipes 78 are respectively driven to move, so that the two semicircular spray pipes 78 can be sleeved on the outer sides of trees, a worker can conveniently adjust the distance between the two semicircular spray pipes 78, and the worker can conveniently operate the white component 7;

The top of drain hard tube 70 outer wall just is close to the position of right-hand member and is equipped with drain pipe 700, the top of drain pipe 700 is connected with two drain hoses 79 through the three-way pipe, the top of two semicircular spray pipes 78 outer walls just all is equipped with feed liquor pipe 781 near the position of left end, the output of two drain hoses 79 respectively with two feed liquor pipe 781 intercommunication, whitewash in the drain hard tube 70 is exported to two drain hoses 79 from drain pipe 700, and carry respectively to two semicircular spray pipes 78 in through two drain hoses 79, finally spout from a plurality of shower nozzles 780, a plurality of shower nozzles 780 on two semicircular spray pipes 78 are annular array and arrange, can spray the outside of trees completely.

In this embodiment, the top of whitewash storage tank 2 and be close to the position of front side be equipped with annotate liquid pipe 20 for add whitewash to whitewash storage tank 2 in annotating liquid pipe 20's top threaded connection has sealed lid, and the closure of annotating liquid pipe 20 of being convenient for avoids impurity to drop to whitewash storage tank 2 from annotating liquid pipe 20 in, and the bottom of whitewash storage tank 2 front side is equipped with the fluid-discharge tube 21 of taking the valve, after not using this whitewash device, the staff can be through the fluid-discharge tube 21 with the whitewash that the whitewash storage tank 2 in the unused whitewash discharge.

Specifically, the middle part at the top of the whitewashing liquid storage tank 2 is provided with a motor 3, the end part of the output shaft of the motor 3 penetrates through the top of the whitewashing liquid storage tank 2 and is coaxially connected with a rotating shaft 4, a plurality of stirring blades 5 which are vertically equidistantly distributed are arranged on the outer wall of the rotating shaft 4, the rotating shaft 4 is driven to rotate by the motor 3, so that the rotating shaft 4 drives the plurality of stirring blades 5 to rotate, whitewashing liquid in the whitewashing liquid storage tank 2 is stirred, the whitewashing liquid is in a flowing state, precipitation is avoided, and smooth output of the whitewashing liquid by the pump body 6 is facilitated.

Further, the top of the base 1 and the position close to the right end of the rear side are provided with a power supply box 10, a battery pack and a charging and discharging module are arranged in the power supply box 10, a charging port connected with the charging and discharging module is further arranged on the power supply box 10, and a master controller 11 is arranged on the right side of the power supply box 10 and used for controlling the motor 3 to work and controlling a master switch of a circuit.

Further, the top of base 1 and the position that is close to right side limit middle part are equipped with fixed pole setting 8, the top of fixed pole setting 8 is equipped with the semicircular bracket 9 that is used for placing whitewashing subassembly 7, semicircular bracket 9 is the slope setting, when the staff promotes this whitewashing device and removes, can place whitewashing subassembly 7 on semicircular bracket 9, make the left end of whitewashing subassembly 7 be inclination up to the right-hand member, semicircular bracket 9's bottom is equipped with collet 90, play the supporting role to whitewashing subassembly 7's left end, U-shaped dodges groove 900 has been seted up at collet 90's top for dodge liquid hose 61.

When the tree antifreezing whitewashing device of the embodiment is used, a worker moves the whitewashing device to the vicinity of a tree to be whitewashed, then the worker takes the whitewashing component 7 out of the semicircular bracket 9 and holds the handle 71, moves two semicircular spray pipes 78 close to the tree, controls the bidirectional electric telescopic rod 74 to work through the control panel 72, enables two movable rods of the bidirectional electric telescopic rod 74 to extend, the bidirectional electric telescopic rod 74 drives two L-shaped connecting plates 75 to synchronously and reversely move, the two L-shaped connecting plates 75 respectively drive two moving blocks 76 to reversely move, the two moving blocks 76 respectively drive two rectangular connecting blocks 77 to reversely move, the two rectangular connecting blocks 77 respectively drive two semicircular spray pipes 78 to reversely move, so that the two semicircular spray pipes 78 can be sleeved on the outer side of the tree, when the tree is positioned between the two semicircular spray pipes 78, the staff controls the two movable rods of the bidirectional electric telescopic rod 74 to shrink so as to enable the two semicircular spray pipes 78 to be combined, at the moment, the staff starts the pump body 6 to work, the pump body 6 conveys the whitewashing liquid in the whitewashing liquid storage tank 2 to the liquid guide hard pipe 70, the whitewashing liquid in the liquid guide hard pipe 70 is output to the two liquid guide hoses 79 from the liquid outlet pipe 700 and is respectively conveyed to the two semicircular spray pipes 78 through the two liquid guide hoses 79, finally, the two semicircular spray pipes 780 are sprayed out from the plurality of spray heads 780, the plurality of spray heads 780 on the two semicircular spray pipes 78 are distributed in an annular array, the outer sides of trees can be completely sprayed, the staff operates the whitewashing assembly 7 to move upwards from the root parts of the trees to carry out whitewashing treatment on the trees, and because the liquid guide hoses 61 have a certain length, the staff can carry out whitewashing operation on a plurality of trees in a certain range, the tree whitewashing machine is beneficial for workers to rapidly finish tree whitewashing work.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a tree whitewashing device that prevents frostbite, includes base (1), the bottom of base (1) and the position that is close to four corners all are equipped with can brake universal wheel (12), the left side at base (1) top is equipped with push rod (13), its characterized in that: the white coating liquid storage tank (2) is arranged at the top of the base (1) and close to the left side, the pump body (6) is arranged at the top of the base (1) and close to the right side of the white coating liquid storage tank (2), the input end of the pump body (6) is communicated with the white coating liquid storage tank (2) through the liquid suction pipe (60), the output end of the pump body (6) is connected with the liquid feeding hose (61), and one end of the liquid feeding hose (61) far away from the pump body (6) is connected with the white coating component (7);

The whitewashing component (7) comprises a liquid guide hard pipe (70) communicated with a liquid feeding hose (61), a handle (71) is arranged on the outer wall of the liquid guide hard pipe (70) and close to the left end, a control panel (72) is arranged on the handle (71), a rectangular mounting plate (73) is arranged at the right end of the liquid guide hard pipe (70), a bidirectional electric telescopic rod (74) is arranged on the left side of the rectangular mounting plate (73), L-shaped connecting plates (75) are arranged at the end parts of the two movable rods of the bidirectional electric telescopic rod (74), moving blocks (76) are arranged at the bottoms of the two L-shaped connecting plates (75), rectangular connecting blocks (77) are arranged at the right sides of the two moving blocks (76), strip-shaped holes (730) for the rectangular connecting blocks (77) to pass through are formed in the left side of the rectangular mounting plate (73) and close to the bottom, semicircular spray pipes (78) are arranged at the right ends of the two rectangular connecting blocks (77), and a plurality of equidistant spray heads (780) are arranged on the semicircular spray pipes (78);

The top of drain hard tube (70) outer wall and the position that is close to the right-hand member are equipped with drain pipe (700), the top of drain pipe (700) is connected with two drain hoses (79) through the three-way pipe, two the top of semi-circular hydrojet pipe (78) outer wall and the position that is close to the left end all are equipped with feed liquor pipe (781), two the output of drain hose (79) respectively with two feed liquor pipe (781) intercommunication.

2. The tree anti-freezing and whitening device according to claim 1, wherein: the white coating liquid storage tank is characterized in that a liquid injection pipe (20) is arranged at the top of the white coating liquid storage tank (2) and close to the front side, a sealing cover is connected to the top end of the liquid injection pipe (20) in a threaded mode, and a liquid discharge pipe (21) with a valve is arranged at the bottom of the front side of the white coating liquid storage tank (2).

3. The tree anti-freezing and whitening device according to claim 1, wherein: the middle part at the top of the whitewashing liquid storage tank (2) is provided with a motor (3), the end part of an output shaft of the motor (3) penetrates through the top of the whitewashing liquid storage tank (2) and is coaxially connected with a rotating shaft (4), and the outer wall of the rotating shaft (4) is provided with a plurality of stirring blades (5) which are vertically equidistantly distributed.

4. The tree anti-freezing and whitening device according to claim 1, wherein: the power supply box (10) is arranged at the top of the base (1) and close to the right end of the rear side, a battery pack and a charging and discharging module are arranged in the power supply box (10), and a master controller (11) is arranged on the right side of the power supply box (10).

5. The tree anti-freezing and whitening device according to claim 1, wherein: the white coating device is characterized in that a fixed upright rod (8) is arranged at the top of the base (1) and close to the middle of the right edge, a semicircular bracket (9) for placing a white coating component (7) is arranged at the top of the fixed upright rod (8), a bottom supporting plate (90) is arranged at the bottom of the semicircular bracket (9), and a U-shaped avoiding groove (900) is formed in the top of the bottom supporting plate (90).